1) Answer the following questions using the table below: Acid Ка Benzoic Acid, C6H5CO2H Benzylammonium ion, C6HSCH2NH3* 6.31 x 10-5 4.47 x 10-10

Principles of Modern Chemistry
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Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
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1) Answer the following questions using the table below:
Acid
Benzoic Acid, C6H5CO2H
Benzylammonium ion, C6HSCH2NH3*
Chloroacetic acid, CICH2CO2H
Hydrogen Sulfide, H2S
Ka
6.31 x 10-5
4.47 x 10-10
1.35 x 10-3
1.00 x 10-7
Nitrous Acid, HNO2
4.47 x 104
a) Which is the strongest acid?
b) Which acid has the highest pH, and what is the chemical formula of the
conjugate base?
c) Write the reaction of nitrous acid (HNO2) acting as a Brønsted-Lowry acid
in water and write the Ka expression.
Transcribed Image Text:1) Answer the following questions using the table below: Acid Benzoic Acid, C6H5CO2H Benzylammonium ion, C6HSCH2NH3* Chloroacetic acid, CICH2CO2H Hydrogen Sulfide, H2S Ka 6.31 x 10-5 4.47 x 10-10 1.35 x 10-3 1.00 x 10-7 Nitrous Acid, HNO2 4.47 x 104 a) Which is the strongest acid? b) Which acid has the highest pH, and what is the chemical formula of the conjugate base? c) Write the reaction of nitrous acid (HNO2) acting as a Brønsted-Lowry acid in water and write the Ka expression.
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